The reason__________ their failure you know is they didn't get fully prepared for the experiment.
#3977
A
why.., that
B
that.., why
C
for.., that
D
why.., because
推荐题目
—What do you think of that TV set as a gift for Mary’s birthday?—__________,but I don’t particularly care for the design.
#4086
A
It’s the right thing
B
I think it’s a Chinese style
C
Not bad
D
Let me think it over once again
--- You haven’t been to Beijing, have you? -- _____. And how I wish to go there again! 
#3932
A
Yes, I have
B
Yes, I haven’t
C
No, I have
D
No, I haven’t
---How did you find your trip to America, John?---_________.
#2433
A
I went there by plane
B
Tom showed me around
C
Well, it depends
D
Oh, wonderful, indeed